Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (5) Fluid (1) (-) Hair (1) Meconium (1) Serum or Plasma (5) (-) Tissue (1) Urine (5) Test Area Drugs of Abuse (2) Test Category Anticholinergics (1) Antidepressants (2) Depressants (2) Metals/Elements (2) (-) Sedative/Hypnotics (2) Volatiles (1) Test Sub-Category Barbiturates (2) Test Test Name 6921H Barbiturates Screen, Hair 8620TI Barbiturates Panel, Tissue